/**
* Update the specified vote type in storage.
*
* @param VoteTypeRequest $request
* @param int $id The id of the vote type to update
* @return Response
*/
public function update(VoteTypeRequest $request, $id)
{
// Find vote type, and update the title
$vt = VoteType::findOrFail($id);
$vt->title = $request->input('title');
$vt->save();
$prevAnswers = VoteTypeAnswer::where('type', '=', $vt->id)->get();
// Get previous answers of this vote type from the database
$answers = $request->input('answers');
// Get new answers of this vote type from the form
// Check if the answers are the same (if they are, only title changed)
$same = true;
if ($prevAnswers->count() == count($answers)) {
// Count is the same, check each answer
for ($i = 0; $i < $prevAnswers->count(); $i++) {
if ($prevAnswers[$i]->answer != $answers[$i]) {
$same = false;
break;
}
}
} else {
$same = false;
// If count is different, answers have changed
}
if (!$same) {
// Delete all previous answers of this vote type (GroupVotes will be deleted too)
foreach ($prevAnswers as $pa) {
$pa->delete();
}
// Add the new answers to the vote type
foreach ($answers as $answer) {
$this->saveVoteTypeAnswer($answer, $vt->id);
}
}
// Redirect
Session::flash('message', 'Ο τύπος απάντησης αποθηκεύτηκε με επιτυχία!');
return Redirect::to('votetypes');
}
